US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 22.0 | 7.67% |
| 2018 | 20.5 | 2.48% |
| 2017 | 20.0 | 12.97% |
| 2016 | 17.7 | 3.43% |
| 2015 | 17.1 | -4.26% |
| 2014 | 17.8 | -6.87% |
| 2013 | 19.2 | 5.46% |
| 2012 | 18.2 | 12.69% |
| 2011 | 16.1 | 27.00% |
| 2010 | 12.7 | 14.06% |
| 2009 | 11.1 | -8.54% |
| 2008 | 12.2 |